Common troubleshooting. You can use this tag when you cannot find a better fitting one. Please read the tag wiki for some first-aid.

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1answer
1k views

Reverse tethering isn't working completely

i connected my phone to my pc's ethernet connection via (USB cable) reverse tethering AndroidTool on my PC and USB tunnel on my android. Now, the problem is, it is going well with UC browser but isn't ...
0
votes
1answer
10k views

Omega ROM 4.4 bootloader/modem problems

Hi I was wondering if anyone else has had problems with this ROM update OMEGA ROM for Samsung Galaxy S4 I9505 I have followed the steps to flash the boot loader (completed successfully). Flashed the ...
0
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0answers
78 views

“The certificate was not installed” error when installing a CA root certificate

I am developing an Android mobile application and want to test that the application behaves as expected. I am using the OWASP ZAP intercepting proxy for this purpose. The application communicates to ...
1
vote
0answers
51 views

Whatsapp only lets me delete the profile picture [Solved]

Recently, I wanted to change my profile picture on whatsapp for another one, but when I tried to do that, only the option to delete it appeared. This also happens when I want to change the background ...
3
votes
1answer
11k views

How to access Samsung Galaxy S2 storage while phone is off

My Galaxy S2 recently froze while browsing facebook using Firefox (the loading animation kept playing though), then shut down after a minute. I haven't been able to turn it back on since then. I tried ...
0
votes
0answers
86 views

Unfortunately settings has stopped

I have a lg Optimus Exceed 2 (VS450PP). I have been using it for experimentation and had to do a factory reset. When booted back into Android, I received a settings f/c. I have tried to enter the ...
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votes
0answers
35 views

Twitter app corruption (Play Store error -504)

I was browsing on twitter yesterday when my battery died. After charging my phone It crashed whenver it tried to launch. I tried to clear all the cache data and it still crashed, so I tried to ...
0
votes
1answer
43 views

Nexus 7 Google Logo Boot-Loop

My stock Nexus 7 was working fine until I turned it on. The lock screen was frozen. I then hard reset the device and turned it back on. On boot the tablet gets stuck on the Google logo and never ...
0
votes
1answer
29 views

Lenovo A6000 isn't turning on

I slept at around 3 am and woke up around 1 pm, and then when I checked my Lenovo A6000 it was not working. It showed me a blank screen. I pressed the power off multiple times and it keeps blinking ...
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votes
7answers
24k views

WiFi Error: “Failed to connect to network”

Intermittently, when I try to connect to a WiFi network, I get the following error message as a toast message: Failed to connect to network The message pops up immediately upon attempting to ...
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vote
0answers
5k views

Run any user apps in safemode?

Some Background My Note 2 has strange slow down after hours of use. After hours of usage system_server and maybe kworker use a lot of CPU, mostly during apps open and switch, it lags badly. I also ...
0
votes
1answer
41 views

How to get rid of these marks?

I'm 100 percent sure that it's possible because I managed to do it a few months ago, but now I do not know (don't remember) how to do it again. It looks like someone can help here. Thanks in advance....
8
votes
2answers
783 views

Recover Android system with TWRP Recovery

Note that I am running Mac OS X. I tried installing an unofficial version of Cyanogenmod I found on XDA Developers that supports kltemini (SM-G800F). However, I messed up somewhere in the ...
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votes
0answers
57 views

How to debug Android crashing?

My Android Samsung Galaxy Alpha keeps crashing with no obvious pattern. Also, it's not a common crash where the screen just goes dark, and the system reboots.. it actually goes into a shutdown ...
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votes
0answers
23 views

hardware or software

In the last month my S6 restarts or freezes randomly. I tried clearing the system cache through recovery and also some apps cache. removed all unnecessary apps and reset configuration to the very ...
0
votes
0answers
73 views

Problems rooting lg risio/leon from laptop [closed]

I have H343 LG Risio/Leon that I was manually rooting with PC but I get stuck in CMD at UNLK : after typing code and pressing enter. At which point I get this message: C:\Users\Mole\Downloads\LG_Root\...
1
vote
0answers
218 views

Galaxy S5 G900V startup failure with inconsistent symptoms making troubleshooting difficult

o/ My Samsung Galaxy S5 suddenly and quickly started deteriorating a few days ago. I did also install a software update from Verizon about a week ago, but what's odd is how the symptoms worsened ...
-5
votes
1answer
127 views

ZTE phone home screen blinks off and on

My phone screen has task manager and a clear all button at the bottom. When I try to push phone or an app, it keeps disappearing and comes back on. I can't use any apps and I can't talk or text ...
0
votes
0answers
69 views

Nexus 5 has awful Wi-Fi

Ever since I bought the phone a few days ago (I believe it's manufacturer refurbished), it has not been getting any decent speeds. I've already tried factory resetting it many times and fiddling ...
1
vote
2answers
971 views

Two errors that refuse to be resolved, Google Play, Android 2.2.1

I have an old phone (LG Optimus V) running Android 2.2.1. I recently took it out and would like to download some apps on it. It automatically updated Android Market to Google Play by itself, but for ...
2
votes
1answer
16k views

On Android, what is a “blue screen”, and what should you do about it?

Some Android users complain about seeing a "blue screen", and that their device has become unresponsive. (Here is one example, including a photograph of the affected device. Here is another example.) ...
4
votes
1answer
127 views

Battery level always 42%

I purchased a second hand nexus 5 to find out that the battery indicator is always showing 42% and never updates, regardless of the actual battery charge level. I tried replacing the battery with ...
1
vote
1answer
200 views

Looping through Terms and Verify Google Account after hard reset

I have a recent Samsung Galaxy 6S Edge phone that had to be factory reset. After the factory reset it will loop through the 'Terms and Conditions' acceptance screen and the 'Verify Google Account' ...
0
votes
0answers
63 views

Samsung Galaxy S2 phone keeps periodically detecting that charger is plugged in even when it's not

Samsung Galaxy S-2 phone keeps periodically detecting that the charger has been plugged in, apparently randomly I have noticed, however, that if I keep using the UI of the phone it doesn't happen, ...
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votes
0answers
744 views

Using the Cerberus shell to input commands

I'd like to use the Cerberus shell to input commands like taps, swipes, and text. I know how to do it using the command line and ADB shell, but I don't have USB debugging enabled on my Nexus6, so I'm ...
1
vote
1answer
4k views

Asus Zenfone 6 doesn't see SIM cards, keeps booting itself. How to troubleshoot the issue?

I have a problem with Asus Zenfone 6 device, which worked well on stock firmware with minimal amount of additional installs for about a year. This is a dual SIM phone and it has both SIM card slots ...
2
votes
3answers
3k views

“Settings” hangs when scanning for WiFi since JB update on One X

I have an HTC One X which has never before exhibited any connection problems. Since the update to Jelly Bean around 2 weeks ago, it cannot reconnect to a WiFi network once it has lost the connection....
-1
votes
1answer
2k views

How do i unbrick my lg sunshine

I had app hangovers restarting over and over again and could not open my settings on my phone app or any other application so I open the back of the phone and turned it off by pulling the battery out ...
2
votes
1answer
1k views
3
votes
0answers
602 views

How to Diagnose WiFi Issues?

My Samsung Galaxy S4 (GT-I9515) with Android 5.0.1 does not connect to one particular WiFi any more - the Eduroam network at my workplace. The network is listed in the available networks list, with ...
14
votes
1answer
5k views

App <X> isn't working correctly. How can I fix it?

I have an application that isn't working correctly. Either it's not launching, or not responding to commands, or some of the functionality isn't doing what I expect. What are some simple steps I can ...
-1
votes
1answer
172 views

Unable to boot phone after deleting folders in SD storage

Am using a Samsung galaxy duos. I recently deleted everything from my sd card/usb storage and when I restarted my phone, it just keeps displaying the Samsung start screen but it doesn't boot up. ...
2
votes
2answers
1k views

How to troubleshoot overheating and high battery drain in an Android Device?

Device info: Model : Micromax Canvas Nitro A310 Android Version : 4.4.2 Kernel Version : 3.4.67 Device Status : Rooted, Philz touch recovery, Xposed Framework installed Issue: My(relative's) ...
0
votes
1answer
1k views

High CPU usage from UEventObserver and inputmethod.latin (Nexus S)

I have kept my Google Nexus S up to date with the latest Android O/S since I've owned it and its always had performance problems to varying degrees. I'm currently running: Android version: 4.1.2 ...
2
votes
1answer
321 views

Babbel languages learning apps won't play sounds

The Babbel language learning app doesn't play sounds anymore; this used to work for me for a while but now doesn't. Sounds are the central feature of the app which makes it superior to the PC web ...
2
votes
1answer
221 views

Rooted Galaxy Nexus GSM silently fails to reflash/erase - Unable to wipe and its rebooting continiously

I have been struggling for a week. Searching all though the internet. My Galaxy Nexus has suddenly stopped working. It is continuously rebooting. Its rooted but has stock rom 4.3. My problem is, I ...
-1
votes
1answer
63 views

Why does reinstalling an app sometimes work to fix problems?

It's not uncommon for people to recommend reinstalling an Android app if it isn't working properly. For example, see this post on this site. Why does this sometimes work? What is goes wrong with ...
1
vote
0answers
500 views

how to change the permission and ownership for internal sdcard

I have a problem with my internal SD card on my android 4.2.2. It shows there are no files on the internal SD card but there is a shortcut called "legacy" and I can't write anything on the internal SD ...
0
votes
1answer
36 views

my android tablet isnt tworking

I had a new tablet for Christmas and it worked properly. Today it just wasn't doing so well: I turned on the power and swiped my finger on the screen to unlock it. Then, When I touch an app it said ...
0
votes
0answers
293 views

How to test wifi adapter?

My VPN keeps disconnecting and I'm wondering if it's a problem with the wireless adapter. Is there a way I can test? I'm using the Xperia Z2 and there's ways to test the built in hardware like the ...
0
votes
0answers
8k views

Samsung Galaxy Ace not detected AT ALL on Windows 8 Pro

Here is the exact same problem but with a different phone: Unable to connect Galaxy S3 to PC via USB This is not the standard device on recognized ordeal but a device is not even being detected at ...
0
votes
1answer
211 views

How can I diagnose slowness in an Android device?

In Windows PC, when some computer is very slow, I use software like SysInternals Process Explorer to check background programs that is using more CPU/RAM. I use SysInternals AutoRuns to disable auto ...
0
votes
1answer
368 views

How to troubleshoot wifi connection problem?

Like some other people, I am plagued by the issue with gray wifi bars with a tablet running 4.2.2. I tried all recommended solutions: disabling power saving, switching between AES/TKIP on the router, ...
0
votes
3answers
3k views

How to get why an app crashed?

I regularly obtain the infamously unhelpful "unfortunately crappyApp has stopped working". How to figure out what actually went wrong? I guess there's a stack trace somewhere, though ideally I'd like ...
0
votes
1answer
213 views

HTTPS sites no longer load on my Android after installing cert to truststore

I have a rooted Android 4.3 JellyBean. I was testing something and trying to install the certificate for Charles Proxy so I could sniff some SSL traffic. I was able to push the Charles certificate to /...
1
vote
1answer
6k views

4.4 Update (Sprint Galaxy S3) disabled pattern lock, can i reenable?

This morning I applied the 4.4 update on my Galaxy S3 (Sprint). I noticed that I can no longer use a pattern lock. The message: "Turned off by administrator, encryption policy or credential storage" ...
1
vote
0answers
249 views

How can I troubleshoot what is causing 'Android OS' to eat up lots of battery?

Are there steps I can take to rule things out eventually leading to a root cause? I am currently using the latest Dirty Unicorn ROM on a Nexus 5. For the same of argument, consider the case where ...
0
votes
1answer
324 views

How do I get my Android tablet on my network without getting stuck in a reboot loop?

I recently acquired an Android tablet PC (this thing: http://yourfirstsmartphone.com/android-tablet-pc/). I have not altered it at all from the factory fresh settings (in fact in attempt to solve the ...
0
votes
1answer
406 views

Light of Back button is not working on my Android mobile

I have Android Fly F45 S. From yesterday I am suddenly seeing that my Android mobile back button light is not working. The back button is working but the light is not lighting. I have never dropped it ...
0
votes
0answers
483 views

Phone storage not mounted , after using USB storage shows “Application not installed”

Earlier when I used to connect my phone (A jelly bean 4.2.2) to my computer (OS: Ubuntu 12.04) both my memory card and phone storage gets mounted automatically, but recently only my memory card gets ...